Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W72/00—Local resource management
  • H04W72/20—Control channels or signalling for resource management
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W28/00—Network traffic management; Network resource management
  • H04W28/02—Traffic management, e.g. flow control or congestion control
  • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W72/00—Local resource management
  • H04W72/20—Control channels or signalling for resource management
  • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W72/00—Local resource management
  • H04W72/20—Control channels or signalling for resource management
  • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Definitions

• a base station communicates with a device through an uplink/downlink, where downlink (forward) refers to the direction of the base station to the terminal, and uplink (reverse) refers to the direction of the terminal to the base station.
• downlink forward
• uplink reverse
• multiple terminals can simultaneously transmit data to the base station through the uplink, or simultaneously receive data from the base station through the downlink at the same time.
• scheduling allocation of system resources is usually performed by an uplink resource when the terminal performs uplink transmission.
• a fixed resource allocation technique is generally used, by which the description of the terminal resource allocation description with a specific transmission period and a relatively fixed data packet length can be reduced. , thereby improving system performance.
• the process of resource allocation may include operations such as message definition, resource de-allocation, and resource reallocation.
• the base station allocates a message (or called fixed resource allocation signaling) in a fixed mapping message (Advanced MAP, A-MAP).
• the Persistent A-MAP IE is a terminal in the kth frame (Mobile Station) MS-A allocates fixed resource PA1 with an allocation period of L frames (assumed to be 4 frames), that is, MS-A at frame k, (k + 4) frame, ..., (k + N*4)
• the frame uses the fixed resources allocated by the base station, as shown in Figure 1.
• the base station needs to cancel the fixed resource PA1 allocated to the MS-A, that is, when the fixed resource de-allocation operation is required, the resource de-allocation operation needs to be performed through the Persistent A-MAP IE, and the Persistent A-MAP IE includes at least the de-allocation operation.
• the de-allocation operation indication information is used to indicate whether the Persistent A-MAP IE is a resource allocation operation; the resource Allocation includes a type, a location, and a size of a resource that is un-allocated; HFA (Harq Feedback Allocation, HARQ Feedback Allocation) Contains feedback channel information assigned to the MS-A to respond to the de-allocation message sent by the base station.
• the signaling design method described above has a waste of signaling overhead.
• a fixed resource allocation signaling transmission method includes the following steps: the base station sends the fixed resource allocation signaling to the terminal through the downlink channel, and carries the fixed resource to allocate information in the fixed resource allocation signaling according to the scope of the advanced mapping message A-MAP, where the fixed resource is allocated The information is used to remove the fixed resources that have been allocated for the terminal.
• carrying the fixed resource to allocate information in the fixed resource allocation signaling includes at least one of the following operations: if the scope of the AM AP message is - subframe, then The fixed resource allocation information carries the following information: to allocate operation indication information; if the scope of the AM AP message is - sub-frames, the fixed resource de-allocation information carries the following information: de-allocation operation indication information, Long TTI Indicator; If the scope of the AM AP message is -subframes, the following information is carried in the fixed resource de-allocation information: de-allocating the operation indication information and the HFA information; if the scope of the AM AP message is - sub-frames, the fixed resource is The allocation information carries the following information: the operation instruction information, the Long TTI Indicator, and the HFA information; if the scope of the A-MAP message is multiple subframes, the following information is carried in the fixed resource de-allocation information: , H
• the A-MAP message is an advanced mapping message, and includes at least one of the following: control information of one uplink subframe; control information of multiple uplink subframes; control information of one downlink subframe or control of multiple downlink subframes information.
• the scope of the A-MAP message refers to the control letter included in the A-MAP message.
• the number of sub-frames of interest Preferably, the range of the A-MAP message is one subframe, that is, the A-MAP message includes control information of one downlink subframe and/or control information of one uplink subframe; the range of the A-MAP message is multiple subframes. It means that the A-MAP message includes control information of multiple downlink subframes and/or control information of multiple uplink subframes.
• the HFA information includes feedback channel information allocated to the terminal for responding to fixed resource de-allocation information transmitted by the base station.
• the resource allocation information includes at least one of the following: canceling location information of the fixed allocated resource, canceling the type of the fixed allocated resource, and canceling the size of the fixed allocated resource.
• the location information of the unallocated fixed resource includes at least one of the following: canceling the subframe number in which the fixed allocated resource is located, canceling the initial location information of the fixed allocated resource, and canceling the termination location information of the fixed allocated resource.
• the Long TTI Indicator is used to indicate the length of the fixed resource that needs to be allocated.
• the length of the fixed resource that needs to be allocated includes: the fixed resource that needs to be allocated exists in one subframe, and the fixed resource that needs to be allocated is distributed in N subframes, where N is a positive integer greater than 1.
• a fixed resource allocation signaling receiving method includes the following steps: The terminal decodes the fixed resource allocation signaling from the base station, where the fixed resource allocation signaling carries a fixed resource to allocate information, and the fixed resource allocates information to remove the fixed resource that has been allocated for the terminal; According to fixed resources to allocate information for subsequent fixed resource allocation operations.
• the subsequent fixed resource de-allocation operation includes: the terminal determines the scope of the A-MAP message; if the range of the A-MAP message is 1 subframe, the terminal performs fixed resources in the current subframe where the A-MAP message is located. Allocating an operation; decoding a fixed resource to allocate HFA information in the information, obtaining feedback channel information, and transmitting a feedback message to the base station on a feedback channel corresponding to the feedback channel information; if the range of the A-MAP message is greater than one subframe, the terminal Decoding a fixed resource to allocate resource allocation information in the information, determining a location of the fixed resource to be allocated, and performing a fixed resource de-allocation operation on the determined location of the fixed resource to be allocated; the terminal decoding the fixed resource to allocate information HFA information, obtaining feedback channel information, and corresponding to feedback channel information A feedback message is sent to the base station on the feedback channel.
• the subsequent fixed resource de-allocation operation comprises: determining, by the terminal, the scope of the A-MAP message; if the scope of the A-MAP message is 1 subframe, the terminal decoding the Long TTI Indicator information in the fixed resource allocation information, determining The length of the fixed resource to be allocated, and the fixed resource de-allocation operation according to the determined length of the fixed resource to be allocated; decoding the fixed resource to allocate the HFA information in the information, obtaining the feedback channel information, and feedback corresponding to the feedback channel information A feedback message is sent to the base station on the channel.
• the fixed resource allocation information is designed according to the scope of the A-MAP message, and the signaling overhead can be saved compared to the prior art.
• FIG. 1 is a schematic diagram of a fixed resource allocation process according to the related art
• FIG. 2 is a schematic diagram of fixed resource allocation according to a specific embodiment 1 of the present invention
• FIG. 3 is a schematic diagram of fixed resource allocation according to a second embodiment of the present invention
• Figure 4 is a schematic diagram of fixed resource allocation according to a third embodiment of the present invention
• Figure 5 is a schematic diagram of fixed resource allocation according to a fourth embodiment of the present invention
• Figure 6 is a schematic diagram of fixed resource allocation according to a specific embodiment 5 of the present invention
• 7 is a schematic diagram of fixed resource allocation in a specific embodiment 6 of the present invention.
• the scope of the A-MAP message where the A-MAP IE is located is one subframe (a frame can contain N subframes, where N is a positive integer greater than or equal to 1), and the terminal can determine that the need to cancel without obtaining the Resource Allocation.
• the fixed resource allocated is PAl, in which case the design of the signaling can be simplified.
• a fixed resource allocation signaling transmission scheme which designs a fixed resource allocation information according to the scope of the A-MAP message, except that the signaling for indicating the fixed resource allocation is carried
• the signaling for indicating the fixed resource allocation is carried
• other different information is carried therein.
• the following implementations are provided, which can be used separately and in combination. Of course, the present invention is not limited thereto.
• Solution 1 If the scope of the A-MAP message is 1 subframe, the fixed resource to allocate the information includes: de-allocating the operation indication information.
• the de-allocation operation indication information and the HFA information are carried in the fixed resource de-allocation information, where the HFA information includes the fixed allocation for the terminal to be sent in response to the base station transmission.
• the resource allocates feedback channel information of the information.
• Solution 3 If the scope of the A-MAP message is 1 subframe, the fixed resource allocation information includes: a de-allocation operation indication information, a Long TTI Indicator (long transmission time interval indication information), where the Long TTI Indicator is used. Indicates the length of the fixed resource that needs to be allocated. For example, "0" indicates that the fixed resource exists in one subframe; " ⁇ indicates that the fixed resource is distributed in N (N is a positive integer greater than 1) subframes.
• the fixed resource allocation information includes: de-allocation operation indication information, Long TTI Indicator (long transmission time interval indication information), and HFA information.
• the range of the A-MAP message is N (N is a positive integer greater than 1)
• the fixed resource de-allocation information carries the de-allocation operation indication information, the HFA information, and the Resource Allocation (Resource Allocation) information, where
• the HFA information includes feedback channel information allocated to the terminal for responding to the fixed resource de-allocation information sent by the base station, and the Resource Allocation includes one or more of the following information: canceling the location information of the fixed allocated resource, canceling the fixed allocation
• the type of the resource, the size of the resource that is unallocated, and the location information of the unallocated resource includes one or more of the following: cancel the subframe number, the start location information, and the termination location information where the fixed allocated resource is located.
• Solution 6 If the range of the A-MAP message is N (N is a positive integer greater than 1) subframes, the de-allocation operation indication information, the HFA information, and the Long TTI Indicator are carried in the fixed resource de-allocation information.
• the scope of the A-MAP message is that the A-MAP message includes control information of one downlink subframe and/or control information of one uplink subframe, that is, each downlink subframe sends an A-MAP.
• the message may not include A-MAP in some special subframes, and the A-MAP message in each downlink subframe corresponds to one uplink subframe, in other words, A-MAP in each downlink subframe.
• the message controls the fixed resource allocation of an uplink subframe.
• the scope of the A-MAP message is that the A-MAP message includes control information of multiple downlink subframes and/or control information of multiple uplink subframes.
• the de-allocation operation indication information in the acquisition message determines that the fixed resource de-allocation message indicates that the fixed resource de-allocation operation is performed, and then continues to determine the A-MAP message.
• the scope of action, and different subsequent processing according to the scope of the A-MAP message Specifically, if the range of the A-MAP message is 1 subframe, the fixed resource de-allocation operation is performed in the subframe indicated by the A-MAP message, or alternatively, the Long TTI Indicator may be used to determine the need to be allocated.
• the length of the fixed resource and the solidity to be allocated according to the determined needs The length of the resource is used to perform a de-allocation operation, and the feedback channel information is determined by decoding the HFA information, and a feedback operation is performed on the feedback channel corresponding to the feedback channel information. If the range of the A-MAP message is greater than one subframe, the resource Allocation is decoded, and the fixed resource de-allocation operation is performed according to the fixed resource information obtained by the decoding. In addition, the terminal further determines the feedback channel information by decoding the HFA information, where the feedback channel information is used. The corresponding feedback channel performs a feedback operation.
• Embodiment 1 As shown in FIG.
• a base station allocates a downlink fixed resource PA1 to a terminal MS-A through a fixed resource allocation message DL Persistent A-MAP IE in an A-MAP message in subframe 1 in a kth frame (in a subframe) 1)), and the allocation period (AP) is 4 frames, and the data feedback channel allocated for the terminal MS-A is HFA1 (in subframe 5). It is assumed that the period in which the base station sends the A-MAP message is one subframe, and each A-MAP message includes a control message of one downlink subframe.
• the base station needs to perform a fixed resource de-allocation operation on the terminal MS-A in the (k+8)th frame, and the base station sends in the A-MAP message in the subframe 1 of the (k+8)th frame.
• the DL Persistent A-MAP IE which carries a message for performing a fixed resource allocation operation on the terminal MS-A, an exemplary message format of the message is shown in Table 1. Table 1 Message format for fixed resource de-allocation operations
• the base station since the PA1 allocated to the terminal MS-A is in the subframe 1, and the base station is in the DL Persistent A-MAP IE transmitted in the A-MAP message in the subframe 1 of the (k+8)th frame.
• the HFA carries the feedback channel information allocated for the terminal, and the feedback channel indicated by the HFA may be the same as or different from the feedback channel HFA1 allocated when the terminal MS-A is allocated with the PA1.
• the terminal MS-A receives and decodes the DL Persistent A-MAP IE transmitted by the base station in the A-MAP message in the subframe 1 of the (k+8)th frame.
• the terminal MS-A performs the following operations:
• the terminal learns the DL sent by the base station.
• the resource indicated in the Persistent A-MAP IE to allocate resources is PA1.
• the base station includes the relevant control information of the N UL uplink subframes in the A-MAP messages sent by the N UL downlink subframes in the N DL downlink subframes.
• the supporting base station includes the related control information of the subframe 6, the subframe 7, and the subframe 8 in the A-MAP message sent in the subframe 1, the subframe 2, and the subframe 3 of the 5 downlink subframes, respectively, as shown in FIG. Shown.
• the base station allocates the uplink fixed resource PA1 (in the subframe 6) to the terminal MS-A through the fixed resource allocation message UL Persistent A-MAP IE in the A-MAP message in the subframe 1 in the kth frame,
• the allocation period (AP) is 4 frames, and the allocated data feedback channel is HFA1 (within subframe 1).
• the base station needs to perform a fixed resource de-allocation operation on the terminal MS-A in the (k+8)th frame, and the base station sends in the A-MAP message in the subframe 1 of the (k+8)th frame.
• the UL Persistent A-MAP IE which carries a message for performing a fixed resource allocation operation on the terminal MS-A, an exemplary message format of the message is shown in Table 2. Table 2 Message format for fixed resource de-allocation operations
• the terminal MS-A receives the UL Persistent A-MAP IE transmitted by the base station in the A-MAP message in the subframe 1 of the (k+8)th frame, and decodes it.
• the terminal MS-A performs the following operations:
• the terminal determines whether the ⁇ - ⁇ period is 1 subframe.
• the ⁇ - ⁇ period is 1 subframe.
• the terminal determines whether the ⁇ - ⁇ contains only one uplink subframe control message.
• the A-MAP in the subframe 1 of the (k+8)th frame includes the associated control message of the uplink subframe 6. Then, the terminal learns that the resource indicated in the UL Persistent A-MAP IE sent by the base station allocates the resource, that is, PA1.
• the base station in this embodiment designs a fixed resource to allocate information according to the scope of the A-MAP message, and can implement de-allocation of the fixed resource of the terminal on the basis of saving signaling overhead.
• the period of the A-MAP message is set to 1 subframe.
• the base station may include related control information of one or more uplink subframes in the A-MAP message sent by the N DL downlink subframes.
• the base station passes the fixed resource in the A-MAP message in the subframe 1 in the kth frame.
• the allocation message UL Persistent A-MAP IE allocates the uplink fixed resource PA1 (in the subframe 4) to the terminal MS-A, and the allocation period (AP) is 4 frames, and the allocated feedback channel is HFA1 (in the subframe 1).
• the base station needs to perform a fixed resource de-allocation operation on the terminal MS-A in the (k+8)th frame, and the base station sends in the A-MAP message in the subframe 1 of the (k+8)th frame.
• the UL Persistent A-MAP IE, and carrying a message for performing a fixed resource de-allocation operation on the terminal MS-A an exemplary message format of the message is shown in Table 3. Table 3 Message format for fixed resource de-allocation operations
• the HFA carries feedback channel information allocated for the terminal.
• the terminal MS-A receives the UL Persistent A-MAP IE transmitted by the base station in the A-MAP message in the subframe 1 of the (k+8)th frame, and performs a decoding operation thereon.
• the terminal MS-A performs the following operations:
• the terminal determines whether the ⁇ - ⁇ period is 1 subframe.
• the ⁇ - ⁇ period is 1 subframe.
• the terminal determines whether the ⁇ - ⁇ contains only one uplink subframe control message.
• the A-MAP in the subframe 1 of the (k+8)th frame includes the associated control message of the uplink subframe 4. Then, the terminal learns that the resource indicated in the UL Persistent A-MAP IE sent by the base station allocates the resource, that is, PA1.
• the base station in this embodiment designs a fixed resource to allocate information according to the scope of the A-MAP message, and can implement de-allocation of the fixed resource of the terminal on the basis of saving signaling overhead.
• Embodiment 4 As shown in FIG. 5, in the kth frame, the terminal MS-A has two downlink fixed resources.
• the downlink fixed resource PA1 (in subframe 1), and the allocation period (AP) is 4 frames
• the data feedback channel allocated for the terminal MS-A is HFA1 (in subframe 5);
• the downlink fixed resource PA2 (in Subframe 1, subframe 2, subframe 3, subframe 4, subframe 5), and the allocation period (AP) is 4 frames
• the data feedback channel allocated for the terminal MS-A is HFA2 (in subframe 5) ).
• the period in which the base station sends the A-MAP message is one subframe, and each A-MAP message includes a control message of one downlink subframe.
• the base station needs to perform a fixed resource de-allocation operation on the resource PA1 of the terminal MS-A in the (k+8)th frame, and the base station is in the A-MAP in the subframe 1 of the (k+8)th frame.
• the DL Persistent A-MAP IE is sent in the message, and carries a fixed resource to the terminal MS-A.
• Table 4 Message format for fixed resource de-allocation operations
• the base station since the PA1 allocated to the terminal MS-A is in the subframe 1, and the base station is in the DL Persistent A-MAP IE transmitted in the A-MAP message in the subframe 1 of the (k+8)th frame.
• the Long TTI Indicator indicates the length of the fixed resource that needs to be allocated. For example, "0" indicates that the fixed resource exists in one subframe; "1" indicates that the fixed resource is distributed in N (N is a positive integer greater than 1) subframes.
• the HFA carries the feedback channel information allocated for the terminal, and the feedback channel indicated by the HFA may be the same as or different from the feedback channels HFA1 and HFA2 allocated for the terminal MS-A.
• the terminal MS-A receives the DL Persistent A-MAP IE transmitted by the base station in the A-MAP message in the subframe 1 of the (k+8)th frame, and performs a decoding operation thereon.
• the terminal MS-A performs the following operations:
• the terminal learns that the resource indicated in the DL Persistent A-MAP IE sent by the base station allocates the resource to PA 1 or PA2.
• the base station in this embodiment designs a fixed resource to allocate information according to the scope of the A-MAP message, and can implement de-allocation of the fixed resource of the terminal on the basis of saving signaling overhead.
• the period of the A-MAP message is set to 1 subframe.
• the base station may include the relevant control information of the N UL uplink subframes in the A-MAP messages sent by the N UL downlink subframes in the N DL downlink subframes.
• N 8
• N DL 5
• the terminal MS-A has two uplink fixed resources, which are uplink fixed resources PA1 (in subframe 6). ), and the allocation period (AP) is 4 frames, the allocated data feedback channel is HFA1 (in subframe 1); the uplink fixed resource PA2 (in subframe 6, subframe 7, sub-frame 8), and the allocation period (AP) is 4 frames, and the allocated feedback channel is HFA2 (in subframe 1).
• the base station needs to perform fixed resource de-allocation on the resource PA1 of the terminal MS-A in the (k+8)th frame.
• the base station sends an UL Persistent A-MAP IE in the A-MAP message in the subframe 1 of the (k+8)th frame, where the fixed resource allocation is performed on the terminal MS-A.
• An operational message an exemplary message format of the message is shown in Table 5.
• Table 5 Message format for fixed resource de-allocation operations
• the base station since the PA1 allocated to the terminal MS-A is in the subframe 6, and the base station carries in the Persistent A-MAP IE sent in the A-MAP message in the subframe 1 of the (k+8) frame.
• the Long TTI Indicator indicates the length of the fixed resource that needs to be unassigned. For example, "0" means that the fixed resource exists in one subframe; "1" means that the fixed resource is distributed in N (N) Is a positive integer greater than 1) within a sub-frame.
• the HFA carries feedback channel information allocated for the terminal.
• the terminal MS-A receives and decodes the UL Persistent A-MAP IE transmitted by the base station in the A-MAP message in the subframe 1 of the (k+8)th frame.
• the terminal MS-A performs the following operations:
• the terminal determines whether the ⁇ - ⁇ period is 1 subframe.
• the ⁇ - ⁇ period is 1 subframe.
• the terminal determines whether the ⁇ - ⁇ contains only one uplink subframe control message.
• the A-MAP in the subframe 1 of the (k+8)th frame includes the associated control message of the uplink subframe 6. Then, the terminal learns that the resource indicated in the UL Persistent A-MAP IE sent by the base station allocates the resource to PA1 or PA2.
• the base station in this embodiment designs a fixed resource to allocate information according to the scope of the A-MAP message, and can implement de-allocation of the fixed resource of the terminal on the basis of saving signaling overhead.
• the period of the A-MAP message is set to 1 subframe.
• the base station may include related control information of one or more uplink subframes in the A-MAP message sent by the N DL downlink subframes.
• N 8
• the A-MAP messages sent by the three downlink subframes 1, the subframe 2, and the subframe 3 respectively include the subframe 4 and the subframe 5, respectively.
• the terminal MS-A has two uplinks.
• the fixed resources are: uplink fixed resource PA1 (in subframe 4), and the allocation period (AP) is 4 frames, the allocated data feedback channel is HFA1 (in subframe 1); uplink fixed resource PA2 (in child) Frame 4, subframe 5, subframe 6 subframe 7, subframe 8), and the allocation period (AP) is 4 frames, and the allocated feedback channel is HFA2 (in subframe 1).
• the base station needs to perform a fixed resource de-allocation operation on the resource PA1 of the terminal MS-A in the (k+8)th frame, and the base station is in the A-MAP in the subframe 1 of the (k+8)th frame.
• the message is sent with a UL Persistent A-MAP IE, and carries a message for performing a fixed resource de-allocation operation on the terminal MS-A.
• An exemplary message format of the message is shown in Table 6. Table 6 Message format for fixed resource de-allocation operations
• the base station since the PA1 allocated to the terminal MS-A is in the subframe 4, and the base station is in the UL Persistent A-MAP IE transmitted in the A-MAP message in the subframe 1 of the (k+8)th frame.
• the Long TTI Indicator indicates the length of the fixed resource that needs to be unassigned. For example, "0" indicates that the fixed resource exists in one subframe; "1" indicates that the fixed resource is distributed in N (N is a positive integer greater than 1) subframes.
• the HFA carries feedback channel information allocated for the terminal.
• the terminal MS-A receives the UL Persistent A-MAP IE transmitted by the base station in the A-MAP message in the subframe 1 of the (k+8)th frame, and performs a decoding operation thereon.
• the terminal MS-A performs the following operations:
• the terminal determines whether the ⁇ - ⁇ period is 1 subframe.
• the ⁇ - ⁇ period is 1 subframe.
• the terminal determines whether the ⁇ - ⁇ contains only one control message of the uplink subframe.
• the A-MAP in the subframe 1 of the (k+8)th frame contains the associated control message of the uplink subframe 4. Then, the terminal learns that the resource indicated in the UL Persistent A-MAP IE sent by the base station allocates the resource to PA1 or PA2.
• the base station in this embodiment designs a fixed resource to allocate information according to the scope of the A-MAP message, and can implement de-allocation of the fixed resource of the terminal on the basis of saving signaling overhead.
• the fixed resource allocation information is designed according to the scope of the A-MAP message, which can save signaling overhead compared to the prior art. And it can be realized without tampering with the existing system architecture, and has strong industrial applicability.

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